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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| // | ||
| // InstaProgressView.swift | ||
| // InstaProgressView | ||
| // | ||
| // Created by Eduard Sinyakov on 11/19/20. | ||
| // | ||
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| import UIKit | ||
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| public class InstaProgressView: UIStackView { | ||
| private var currentAnimationIndex = 0 | ||
| private var animator = UIViewPropertyAnimator() | ||
| private var duration: TimeInterval! | ||
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| weak var delegate: InstaProgressViewDelegate? | ||
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| private var isValid: Bool { | ||
| currentAnimationIndex < arrangedSubviews.count | ||
| } | ||
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| init(progressTintColor: UIColor, trackTintColor: UIColor, segmentsCount: Int, spaceBetweenSegments: CGFloat, duration: TimeInterval) { | ||
| super.init(frame: CGRect.zero) | ||
| self.duration = duration | ||
| axis = NSLayoutConstraint.Axis.horizontal | ||
| distribution = UIStackView.Distribution.fillEqually | ||
| alignment = UIStackView.Alignment.fill | ||
| spacing = spaceBetweenSegments | ||
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| for _ in segmentsCount { | ||
| addArrangedSubview(createProgressView(progressTintColor, trackTintColor)) | ||
| } | ||
| } | ||
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| required init(coder: NSCoder) { | ||
| fatalError("init(coder:) has not been implemented") | ||
| } | ||
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| public func startAnimation() { | ||
| next() | ||
| } | ||
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| public func pauseAnimation() { | ||
| animator.pauseAnimation() | ||
| } | ||
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| public func continueAnimation() { | ||
| animator.continueAnimation(withTimingParameters: nil, durationFactor: 0) | ||
| } | ||
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| public func skip() { | ||
| if currentAnimationIndex <= arrangedSubviews.count && currentAnimationIndex > 0 { | ||
| if let currentSegment = arrangedSubviews[currentAnimationIndex - 1] as? UIProgressView { | ||
| animator.stopAnimation(true) | ||
| currentSegment.setProgress(1, animated: false) | ||
| currentSegment.layer.removeAllAnimations() | ||
| next() | ||
| } | ||
| } else { | ||
| next() | ||
| } | ||
| } | ||
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| public func back() { | ||
| if currentAnimationIndex > 0 { | ||
| currentAnimationIndex -= 1 | ||
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| if let currentSegment = arrangedSubviews[currentAnimationIndex] as? UIProgressView { | ||
| animator.stopAnimation(true) | ||
| currentSegment.setProgress(0, animated: false) | ||
| currentSegment.layer.removeAllAnimations() | ||
| } | ||
| } | ||
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| if currentAnimationIndex > 0 { | ||
| currentAnimationIndex -= 1 | ||
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| if let currentSegment = arrangedSubviews[currentAnimationIndex] as? UIProgressView { | ||
| animator.stopAnimation(true) | ||
| currentSegment.setProgress(0, animated: false) | ||
| currentSegment.layer.removeAllAnimations() | ||
| } | ||
| } | ||
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| let catchedIndex = currentAnimationIndex | ||
| DispatchQueue.main.asyncAfter(deadline: .now() + 0.2) { [weak self] in | ||
| guard let self = self else { return } | ||
| if catchedIndex == self.currentAnimationIndex { | ||
| self.next() | ||
| } | ||
| } | ||
| } | ||
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| /// Show progress and when load finished show next load progressView (white string) | ||
| /// - Parameter progressView: current progressView gets from currentAnimationIndex | ||
| private func handleProgress(_ progressView: UIProgressView) { | ||
| let catchedIndex = currentAnimationIndex | ||
| DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) { [weak self] in | ||
| guard let self = self else { return } | ||
| if catchedIndex == self.currentAnimationIndex { | ||
| self.currentAnimationIndex += 1 | ||
| self.animator = UIViewPropertyAnimator.runningPropertyAnimator(withDuration: self.duration, delay: 0, options: .curveEaseInOut) { | ||
| progressView.setProgress(1, animated: true) | ||
| } completion: { [weak self] _ in | ||
| self?.next() | ||
| } | ||
| self.animator.startAnimation() | ||
| } | ||
| } | ||
| } | ||
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| private func next() { | ||
| if isValid { | ||
| if let v = arrangedSubviews[currentAnimationIndex] as? UIProgressView { | ||
| delegate?.instaProgressViewChangedIndex(index: currentAnimationIndex) | ||
| handleProgress(v) | ||
| } | ||
| } else { | ||
| delegate?.instaProgressViewFinished() | ||
| } | ||
| } | ||
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| private func createProgressView(_ progressTintColor: UIColor, _ trackTintColor: UIColor) -> UIProgressView { | ||
| let progressView = UIProgressView() | ||
| progressView.progressTintColor = progressTintColor | ||
| progressView.trackTintColor = trackTintColor | ||
| progressView.setProgress(0, animated: true) | ||
| return progressView | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| // | ||
| // InstaProgressViewDelegate.swift | ||
| // InstaProgressView | ||
| // | ||
| // Created by Eduard Sinyakov on 11/19/20. | ||
| // | ||
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| import Foundation | ||
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| protocol InstaProgressViewDelegate: class { | ||
| func instaProgressViewChangedIndex(index: Int) | ||
| func instaProgressViewFinished() | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| // | ||
| // Int+Extension.swift | ||
| // InstaProgressView | ||
| // | ||
| // Created by Eduard Sinyakov on 11/19/20. | ||
| // | ||
|
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| import Foundation | ||
| extension Int: Sequence { | ||
| public func makeIterator() -> CountableRange<Int>.Iterator { | ||
| return (0..<self).makeIterator() | ||
| } | ||
| } |